Quadric
a. 二次的\\nn. 二次曲面
🗣️ 情景例句
And I'll be able to show you around our city.
我可以带你在我们那儿四处看看。
I wonder if you are on my side.
我不知道你是否站在我这边。
Fortunately people want to come and hear me play, but I am getting very tired of travelling.
幸运的是，人们都想来听我演奏，但是我对旅行感到厌倦了。